Finding the Fourth Proportional to 10,910.77, 16,366.31 and 3,119.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,910.77 : 16,366.31 = 3,119.59 : x
2. Step 2: Convert to fraction form
   10,910.77/16,366.31 = 3,119.59/x
3. Step 3: Cross multiply
   10,910.77x = 16,366.31 × 3,119.59
4. Step 4: Simplify right side
   10,910.77x = 51,056,142.07
5. Step 5: Solve for x
   x = 51,056,142.07/10,910.77
6. Step 6: Final answer
   x = 4,679.42